What goes up but never comes down? Your age. You have probably heard this joke before.
Rising Age
Explanation
Explain Bear
Alright, listen up, you big ol' dummy. "What goes up but never comes down?" is a classic riddle, see? The answer is "Your age" because your age only ever increases, it never decreases. You're always getting older, never younger, unless you've figured out time travel, which you definitely haven't, you knucklehead.